Wallboard installation brace



FIG. 1 is a side elevation perspective view taken from the top and left side of a wallboard installation brace showing my new design;

FIG. 2 is a side elevation bottom plan perspective view thereof, it being understood that left and right side views thereof are mirror images of one another;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof:

FIG. 5 is an end view thereof;

FIG. 6 is an opposite end view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an environmental, side perspective view thereof with the broken lines showing a wall stud, wall header, section of wall and the wallboard brace hole being for the purposes of illustrating environment and forming no part of the claimed design. 

CLAIM The ornamental design for a wallboard installation brace, shown and described. 